Videocassette shelf unit



FIG. 1 is a front elevational view of a videocassette shelf unit showing my new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a bottom plan view thereof; and

FIG. 4 is a right side elevational view thereof, the left side being a mirror image. 

The ornamental design for a videocassette shelf unit, as shown and described. 